Inventor
Kazuo Shibukawa
Inventor
Osaka, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer29%
F16DCouplings for transmitting rotation12%
G02BOptical elements, systems or apparatus12%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them12%
H02KDynamo-electric machines12%
F16HGearing6%
H04NPictorial communication, e.g. television6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
8,611,028'Lens barrel and imaging device'20138,553,343'Shielding structure and imaging device support structure'20137,246,766'Torque limiter'20077,167,337'Magnetic recording and reproducing apparatus including an idler mounted on a main chassis'20077,163,172'Reel driving device'20076,993,993'Sheet metal outsert-molded gear'20066,817,949'Torque limiter and reel mount'20046,722,992'Torque limiter and reel mount'20046,641,073'Reel mount'20036,282,057'Magnetic recording/reproduction apparatus, with inclination adjusting system'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2007Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (7)· patent assignee history
2001–2013Based in Osaka, JP· patent location history
2003Based in Ibaraki-shi, JP· patent location history
2006Based in Ibaraki, JP· patent location history
2013Patents assigned to HIRABAYASHI KOICHIRO (2)· patent assignee history
2013Patents assigned to PANASONIC CORP (2)· patent assignee history
2013Patents assigned to SHIBUKAWA KAZUO (2)· patent assignee history
2013Patents assigned to FUJINAKA HIROYASU (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 7 | 2001–2007 |
| HIRABAYASHI KOICHIRO | 2 | 2013 |
| PANASONIC CORP | 2 | 2013 |
| SHIBUKAWA KAZUOself | 2 | 2013 |
| FUJINAKA HIROYASU | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 8 | 2001–2013 |
| Ibaraki, JP | 1 | 2006 |
| Ibaraki-shi, JP | 1 | 2003 |